CN116294252A - Heat absorber - Google Patents

Abstract

The invention relates to the technical field of solar thermal power generation, and provides a heat absorber, which comprises: a plurality of heat absorber modules and at least two fixed platforms for mounting the heat absorber modules; the number of the heat absorber modules which can be accommodated by each fixed platform is different, and a plurality of the heat absorber modules are fixed on one fixed platform; the number of the heat absorber modules and the fixed platforms for selectively installing the heat absorber modules are determined according to rated heat power required to be provided by the heat absorber. The method is suitable for the conservation or the bias progress of the initial bias of the system design or the improvement of the performance of certain equipment due to the technical progress in the later stage, and when the scale of the heat absorber needs to be adjusted, the structure of the heat absorber can be changed into the heat absorber with another larger or smaller standard.

Description

Heat absorber

Technical Field

The invention relates to the technical field of solar thermal power generation, in particular to a heat absorber.

Background

Along with the rapid development of global economy, the demand of human beings for energy is also increased, and the traditional non-renewable energy is exhausted increasingly, so that the development of global economy is more and more restricted and the development and utilization of energy are carried out. In recent years, as a renewable, clean and pollution-free energy source, the development and utilization of solar energy have been attracting attention and importance.

The solar thermal power generation mode can be classified into a tower type solar thermal power generation technology, a trough type solar thermal power generation technology, a linear fresnel type solar thermal power generation technology and a dish type solar thermal power generation technology according to a solar energy collection mode. The tower type solar thermal power generation has the advantages of high photoelectric-electric conversion efficiency, high focusing temperature, simple control system installation and debugging, less heat dissipation loss and the like, and is a novel energy technology with large-scale development and utilization.

The absorber of the tower type solar thermal power generation technology is a key device for converting solar radiation energy into heat energy. In the conventional heat absorber structure, after the design scale of the heat absorber is determined, the size and the structure of the heat absorber are fixed. If at the beginning of the design of the tower type solar thermal power generation system, due to the fact that the design is conservative or is slightly excited, or due to the fact that the technology is advanced in the later period, certain equipment performance is improved, for example, the cleaning performance of the tower type solar thermal power generation equipment is improved, so that the cleanliness of a mirror surface is improved, the scale of a heat absorber is possibly reduced or increased, the heat collecting capacity of the heat absorber is possibly reduced or the efficiency of the heat absorber is reduced, and therefore the economy of a power station is affected.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a heat absorber, which is suitable for a heat absorber with a larger or smaller structural model when the scale of the heat absorber needs to be adjusted, because the system is designed to be conservative or is biased, or the performance of some devices is improved due to technical progress in the later stage.

The above object of the present invention is achieved by the following technical solutions:

a heat sink, comprising: a plurality of heat absorber modules and at least two fixed platforms for mounting the heat absorber modules; the number of the heat absorber modules which can be accommodated by each fixed platform is different, and a plurality of the heat absorber modules are fixed on one fixed platform; the number of the heat absorber modules and the fixed platforms for selectively installing the heat absorber modules are determined according to rated heat power required to be provided by the heat absorber.

Further, the fixing positions of the heat absorber modules in the fixing platform selected to be installed by the plurality of heat absorber modules are the same as the number of the heat absorber modules to be installed.

Further, all the fixed platforms are concentrically arranged with the same circle center and different radiuses; and fixing the heat absorber modules by selecting the matched fixing platforms according to the number of the heat absorber modules, wherein a plurality of heat absorber modules are circumferentially fixed on the fixing platforms, and the adjacent heat absorber modules are mutually and fixedly connected.

Further, the heat sink module includes: the heat absorber comprises a heat absorber panel, an upper header, a lower header, an upper fixing unit and a lower fixing unit;

the upper header is communicated with the upper end of the heat absorber panel, and the lower header is communicated with the lower end of the heat absorber panel;

the upper fixing unit is connected with the top surface of the upper header, the lower fixing unit is connected with the bottom surface of the lower header, and the upper fixing unit and the lower fixing unit are used for fixing the heat absorber module with the fixing platform.

Further, the heat absorber module further includes: a back support unit;

the back support unit is arranged at the back of the heat absorber panel and is used for supporting the heat absorber module.

Further, a plurality of fixing lugs are fixedly arranged on the back support unit, and adjacent heat absorber modules are fixedly connected with each other through the fixing lugs.

Further, the fixed platform comprises: an upper fixed platform unit and a lower fixed platform unit;

the upper fixed platform unit is connected with the upper fixed unit, and the lower fixed platform unit is connected with the lower fixed unit.

Further, the heat absorber module further comprises an upper connecting pipeline and a lower connecting pipeline, wherein the upper connecting pipeline is communicated with the upper header, and the lower connecting pipeline is communicated with the lower header; the fixed platform further comprises an upper platform connecting pipeline and a lower platform connecting pipeline; the upper connecting pipeline is communicated with the upper platform connecting pipeline, and the lower connecting pipeline is communicated with the lower platform connecting pipeline.

Further, the upper fixing unit includes an upper fixing plate, an upper passing hole, an upper operation door and a hanging hole; the upper fixing plate is used for being fixed with the upper fixing platform unit, the upper through hole is used for passing through the upper platform connecting pipeline, the upper operation door is used for conveniently entering the inside of the upper fixing unit to detach or install the upper fixing unit and the upper fixing platform unit, and the hanging hole is used for hanging the heat absorber module when detaching or installing the heat absorber module.

Further, the lower fixing unit includes a lower fixing plate, a lower passing hole, a lower operation door, and a moving structure; the lower fixing plate is used for being fixed with the lower fixing platform unit, the lower through hole is used for passing through the lower platform connecting pipeline, the lower operation door is used for conveniently entering the inside of the lower fixing unit to detach or install the lower fixing unit and the lower fixing platform unit, and the moving structure is used for moving the heat absorber module when detaching or installing the heat absorber module.

Further, the method further comprises the following steps: the tower top is hung; the tower crane is used for lifting the heat absorber module when the tower crane is detached and installed on the heat absorber module.

Compared with the prior art, the invention has the following beneficial effects:

(1) The number of the heat absorber modules is dynamically adjusted according to the performance requirements of the tower type solar thermal power generation equipment, and a plurality of fixing platforms with different specifications and capable of fixing different numbers of heat absorber modules are arranged. The scale of the heat absorber is increased or reduced through simple disassembly, movement and other operations.

(2) The heat absorber module is of an independent structure with a modularized design, and can be quickly disassembled and assembled when the scale of the heat absorber needs to be increased or reduced, so that the maintenance difficulty of the heat absorber is reduced.

(3) When the scale of the heat absorber is smaller, the number of the heat absorber modules is increased, and the heat absorber modules are moved to a large-sized fixed platform to be fixed, so that the area of the heat absorber is increased, namely the heat collecting capacity of the heat absorber is increased. When the scale of the heat absorber is bigger, the number of the heat absorber modules is reduced, and the heat absorber modules are moved to a small-sized fixed platform for fixation, so that the area of the heat absorber is reduced, and the efficiency of the heat absorber is improved. The size of the absorber is dynamically adjusted to improve the economy of the project.

Drawings

FIG. 1 is a schematic view of a heat sink module of the present invention;

FIG. 2 is a schematic view of a fixing bracket according to the present invention;

FIG. 3 is a schematic view showing a plurality of heat absorber modules according to the present invention;

FIG. 4 is a schematic view of a single stationary platform of the present invention;

FIG. 5 is a schematic diagram showing the scale change of the heat absorber according to the present invention.

Reference numerals

1000. A heat sink module; 2000. a fixed bracket;

1100. a heat sink panel; 1210. a header is arranged; 1211. an upper connecting pipeline; 1220. a lower header; 1221. a lower connecting pipe; 1310. an upper fixing unit; 1320. a lower fixing unit; 1400. a back support unit; 1410. a fixed ear;

1311. an upper fixing plate; 1312. an upper through hole; 1313. an upper operation door; 1314. a hanging hole;

1321. a lower fixing plate; 1322. a lower through hole; 1323. a lower operation door; 1324. a moving structure;

2100. a fixed platform;

2110. an upper fixed platform unit; 2120. a lower fixed platform unit;

2101. a first fixed platform; 2102. a second fixed platform;

2201. the upper platform is connected with a pipeline; 2202. the lower platform is connected with a pipeline;

2300. and (5) hanging the tower top.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

The traditional heat absorber structure is fixed in the size and structure of the heat absorber after the scale of the heat absorbing system is determined, and when the performance of certain equipment is improved (such as the cleaning effect of a cleaning vehicle is improved, the cleanliness of a mirror surface is improved) due to technical innovation, the scale of the heat absorber is smaller or larger, and the heat collecting capacity or the efficiency of the heat absorber is influenced. When the scale design of the heat absorber is smaller, the heat collecting capacity of the heat absorbing system is insufficient, so that a large amount of waste light exists in the mirror field, the generated energy is reduced, and the project economy is reduced; when the heat absorber is designed to be larger in scale, the heat absorber area is larger, the heat dissipation loss is higher, so that the heat absorber efficiency is reduced, and the project economy is reduced.

First embodiment

As shown in fig. 1 and 2, the present embodiment provides a heat absorber, including: a plurality of heat sink modules 1000 and at least two fixing platforms 2100 for mounting the heat sink modules 1000, which are fixed by fixing brackets 2000; the number of the heat absorber modules 1000 that each fixed platform 2100 can accommodate is different, and a plurality of the heat absorber modules 1000 are fixed on one of the fixed platforms 2100, wherein the number of the heat absorber modules 1000 and the fixed platforms 2100 that the plurality of heat absorber modules 1000 are selectively installed are determined according to the rated heat power that the heat absorber needs to have.

Preferably, the number of the heat absorber modules 1000 is the same as the number of the heat absorber modules 1000 to be installed in the fixing platform 2100 to be selectively installed.

Each heat sink module 1000 is a detachable and movable independent structure with a modular design, and the number of the heat sink modules 1000 owned by the heat sink can be dynamically adjusted according to the performance requirements of the heat sink.

The absorber includes a fixed bracket 2000 fixed to the tower top platform of the absorber in addition to the dynamically adjusted number of absorber modules 1000. At least two fixing platforms 2100 capable of fixing different numbers of heat sink modules 1000 are provided on the fixing bracket 2000. The matched fixed platform 2100 is selected to fix the absorber modules according to the number of absorber modules 1000 required by the absorber.

As shown in fig. 2, an example of the fixing bracket 2000 is provided with two fixing platforms 2100 (a first fixing platform 2101 and a second fixing platform 2102 having different specifications from each other by two fixing positions of the heat absorber modules) of different specifications. But more specifications of the stationary platform 2100 may be reserved for practical design. In fig. 2, the absorber modules 1000 are initially mounted on the absorber module fixing positions 2101a,2101b of the first fixing platform 2101, respectively. When it is desired to increase the heat sink size, all the heat sink modules 1000 on the fixed platform 2101 are removed, moved and mounted to the heat sink module fixing locations 2102a,2102b of the second fixed platform 2102, the. When it is desired to reduce the heat sink size, the desired heat sink module 1000 is moved from the second stationary platform 2102 to the first stationary platform 2101 in the same manner, and the excess heat sink module 1000 is moved to the ground for storage.

Further, in a preferred embodiment, all of the fixed platforms 2100 are concentrically arranged on the fixed support 2000 with the same center and different radii. The heat absorber modules 1000 are fixed by the fixing platforms 2000 which are selectively matched according to the number of the heat absorber modules 1000, as shown in fig. 3, a plurality of heat absorber modules 1000 are circumferentially fixed on the fixing platforms 2000, and adjacent heat absorber modules 1000 are fixedly connected with each other.

Specifically, designing at least two fixed platforms 2100 of different sizes to have concentric centers with different radii is a preferred embodiment of the present invention. With this scheme, after the number of the heat absorber modules 1000 is selected to be matched with the number of the fixed platforms 2100, the heat absorber modules 1000 are fixed on the fixed platforms 2100 end to end in the circumferential direction with the center of the fixed platforms 2100 as the center of the circle, and the two adjacent heat absorber modules 1000 are fixedly connected with each other, so as to increase the stability of the heat absorber structure.

Further, for each of the heat absorber modules 1000, the following structure is specifically included: the heat absorber panel 1100, the upper header 1210, the lower header 1220, the upper fixing unit 1310, and the lower fixing unit 1320; the upper header 1210 communicates with the upper end of the absorber panel 1100, and the lower header 1220 communicates with the lower end of the absorber panel 1100; the upper fixing unit 1310 is connected to a top surface of the upper header 1210, the lower fixing unit 1320 is connected to a bottom surface of the lower header 1210, and the upper fixing unit 1310 and the lower fixing unit 1320 are used to fix the heat sink module 1000 to the fixing platform 2100.

Further, the heat absorber module 1000 further includes: a back support unit 1400; the back support unit 1400 is disposed at the back of the heat sink panel 1100, and is used for supporting the heat sink module 1000. The back support unit 1400 is a reinforcing structure of the heat sink module 1000 for reinforcing the stability of the heat sink module 1000. The back support unit 1400 is fixedly provided with a plurality of fixing lugs 1410, and adjacent heat absorber modules 1000 are fixedly connected with each other through the fixing lugs 1410. The connection between the fixing lug 1410 and the back support unit 1400 may be different fixing connection modes such as welding, screw connection, etc.

Further, in order to firmly fix the heat absorber module 1000, the fixing platforms 2100, as shown in fig. 4, further have: an upper fixed platform unit 2110 and a lower fixed platform unit 2120; the upper fixed platform unit 2110 is connected with the upper fixed unit 1310 of the heat sink module 1000, and the lower fixed platform unit 2120 is connected with the lower fixed unit 1320 of the heat sink module 1000.

It should be noted that, at least two fixing platforms 2100 capable of fixing different numbers of the heat absorber modules 1000, such as the first fixing platform 2101 and the second fixing platform 2102, are respectively provided with an upper fixing platform unit 2110 and a lower fixing platform unit 2120 having the same specification and being located on the same vertical plane.

Further, the heat absorber module 1000 further includes an upper connection pipe 1211 and a lower connection pipe 1221, the upper connection pipe 1211 being connected to the upper header 1210, the lower connection pipe 1221 being connected to the lower header 1220; the fixed platform 2100 further includes an upper platform connecting tube 2201 and a lower platform connecting tube 2202; the upper connecting tube 1211 communicates with the upper platform connecting tube 2201 and the lower connecting tube 1310 communicates with the lower platform connecting tube 2202. Specifically, the upper and lower connecting pipes 1211 and 1221, and the upper and lower platform connecting pipes 2201 and 2202 may be flanged pipes, communicating through flanges.

Further, for the upper fixing unit 1310, an upper fixing plate 1311, an upper pass-through hole 1312, an upper operating door 1313 and a hanging hole 1314; the upper fixing plate 1311 is used to be fixed to the upper fixing platform unit 2110, and is generally fixed to the upper fixing plate 1311 and the upper fixing platform unit 2110 by fixing bolts; the upper through hole 1312 is used for passing through the upper platform connecting pipe 2201, the upper operation door 1313 is used for facilitating an operator to enter the inside of the upper fixing unit 1310 to detach or install the upper fixing unit 1310 and the upper fixing platform unit 2110, and the hanging hole 1314 is used for hanging the heat absorber module 1000 when detaching or installing the heat absorber module 1000, so as to prevent the heat absorber module 1000 from falling down.

Further, the lower fixing unit 1320 includes a lower fixing plate 1321, a lower passing hole 1322, a lower operating door 1323 and a moving structure 1324; the lower fixing plate 1321 is used to fix with the lower fixing platform unit 2120, and is generally fixed on the lower fixing plate 1321 and the lower fixing platform unit 2120 by fixing bolts; the lower through hole 1322 is configured to pass through the lower platform connection pipe 2202, the lower operation door 1323 is configured to facilitate an operator to enter the inside of the lower fixing unit 1320 to detach or install the lower fixing unit 1320 from or to the lower fixing platform unit 2120, and the moving structure 1324 is configured to move the absorber module 1000 when the absorber module 1000 is detached or installed.

Further, the fixing bracket 2000 further includes: and a tower crane 2300 for lifting the heat absorber module 1000 when the tower crane 2300 is detached from and attached to the heat absorber module 1000.

The size of the heat absorber is increased or decreased by adopting the tower crane 2300 and the lifting hole 1314 to match with the moving structure 1324, or taking the fixed bracket 2000 of two fixed platforms 2100 with a first fixed platform 2101 and a second fixed platform 2102 as an example, the specific process is as follows: the heat absorber consists of N heat absorber modules 1000, when the scale of the heat absorber needs to be increased, the tower top crane 2300 is hung on the hanging hole 1314 to prevent all fixing bolts from toppling over after being unscrewed, then the fixing bolts on the upper fixing plate 1311 and the lower fixing plate 1321 are unscrewed through the upper operation door 1313 and the lower operation door 1323 and enter the upper fixing unit 1310 and the lower fixing unit 1320, after all the bolts are unscrewed through the back supporting unit 1400, the heat absorber modules 1000 are slowly hung by the tower top crane 2300 and the moving structure 1324 is put down at the same time, after the moving structure 1324 is completely put down, the moving structure 1324 drives the heat absorber modules 1000, the first fixing platform 2101 moves to the second fixing platform 2102, the bolt holes on the upper fixing plate 1311 and the lower fixing platform unit 2120 are aligned with the bolt holes on the upper fixing platform unit 2110 and the lower fixing platform unit 2120, the bolts are screwed down, after all the bolts are screwed down, the second heat absorber modules 1000 are installed at the adjacent positions of the first heat absorber modules 1000, and the heat absorber modules 1410 are tightly fixed by the same steps; after all N heat absorber modules 1000 are mounted on the second fixed platform 2102, the heat absorber modules 1000 to be added are hoisted to the top of the tower by adopting the tower crane 2300, and all M heat absorber modules 1000 to be added are mounted on the second fixed platform 2102 in the same way, so that the heat absorber scale is increased. Conversely, when the heat absorber scale needs to be reduced, the required heat absorber module 1000 is moved from the second fixed platform 2102 to the first fixed platform 2102 in the same way, and the redundant heat absorber module 1000 is hoisted to the ground through the overhead crane 2300 and is stored in a warehouse.

Second embodiment

As shown in fig. 5, there is a heat absorber structure with 6 (or 8) heat absorber modules 1000 added (or reduced) to 8 (or 6), and for example, 6 heat absorber modules 1000 added to 8 heat absorber modules 1000, in actual operation, the projected energy of the mirror field is about 1/3 larger than the scale of the heat absorber, so that the 6 heat absorber modules 1000 need to be added to 8 heat absorber modules 1000. The hanging hole 1314 is hooked by the overhead crane 2300 first, all fixing bolts connected with 2101a fixed on the first fixing platform 2101 are removed, then the heat absorber module 1000 is slowly hung up, the moving structure 1324 is slowly put down, after the moving structure 1324 is completely put down, the heat absorber module 1000 is moved to the position of the preset heat absorber module 1000 where 2102a is located by means of the overhead crane 2300 and the moving structure 1324, all the bolt holes are aligned, the moving structure 1324 is retracted, and finally the heat absorber module 1000 is fixed by bolts. In the same manner, all other 2101b, 2101f were moved to the corresponding 2102b, 2102f with the above procedure, and secured with bolts. After all 6 absorber modules 1000 are mounted on the second fixed platform 2102, another 2 absorber modules 1000 to be added are hoisted to the top of the tower by using the tower crane 2300, and the 2 absorber modules 1000 to be added are mounted on 2102g and 2102h in the same way, so that the scale of the absorber is increased.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (10)

1. A heat sink, comprising: a plurality of heat absorber modules and at least two fixed platforms for mounting the heat absorber modules; the number of the heat absorber modules which can be accommodated by each fixed platform is different, and a plurality of the heat absorber modules are fixed on one fixed platform; the number of the heat absorber modules and the fixed platforms for selectively installing the heat absorber modules are determined according to rated heat power required to be provided by the heat absorber.

2. The heat sink of claim 1 wherein the number of heat sink modules in the fixed platform to which a plurality of heat sink modules are selectively mounted is the same as the number of heat sink modules to be mounted.

3. The heat sink of claim 1 wherein all of the fixed platforms are concentrically arranged with the same center and different radii;

and fixing the heat absorber modules by selecting the matched fixing platforms according to the number of the heat absorber modules, wherein a plurality of heat absorber modules are circumferentially fixed on the fixing platforms, and the adjacent heat absorber modules are mutually and fixedly connected.

4. The heat sink of claim 1, wherein the heat sink module comprises: the heat absorber comprises a heat absorber panel, an upper header, a lower header, an upper fixing unit and a lower fixing unit;

the upper header is communicated with the upper end of the heat absorber panel, and the lower header is communicated with the lower end of the heat absorber panel;

the upper fixing unit is connected with the top surface of the upper header, the lower fixing unit is connected with the bottom surface of the lower header, and the upper fixing unit and the lower fixing unit are used for fixing the heat absorber module with the fixing platform.

5. The heat sink of claim 4, wherein the heat sink module further comprises: a back support unit;

the back support unit is arranged at the back of the heat absorber panel and is used for supporting the heat absorber module.

6. The heat absorber of claim 5 wherein a plurality of fixing lugs are fixedly disposed on the back support unit, and adjacent heat absorber modules are fixedly connected to each other by the fixing lugs.

7. The heat sink of claim 4 wherein the stationary platform comprises: an upper fixed platform unit and a lower fixed platform unit;

the upper fixed platform unit is connected with the upper fixed unit, and the lower fixed platform unit is connected with the lower fixed unit.

8. The heat sink of claim 7 wherein the heat sink is configured to receive a heat sink,

the heat absorber module further comprises an upper connecting pipeline and a lower connecting pipeline, wherein the upper connecting pipeline is communicated with the upper header, and the lower connecting pipeline is communicated with the lower header;

the fixed platform further comprises an upper platform connecting pipeline and a lower platform connecting pipeline;

the upper connecting pipeline is communicated with the upper platform connecting pipeline, and the lower connecting pipeline is communicated with the lower platform connecting pipeline.

9. The heat sink of claim 8 wherein:

the upper fixing unit comprises an upper fixing plate, an upper through hole, an upper operation door and a hanging hole;

the upper fixing plate is used for being fixed with the upper fixing platform unit, the upper through hole is used for connecting a pipeline through the upper platform, the upper operation door is used for conveniently entering the inside of the upper fixing unit to detach or install the upper fixing unit and the upper fixing platform unit, and the hanging hole is used for hanging the heat absorber module when the heat absorber module is detached or installed;

the lower fixing unit comprises a lower fixing plate, a lower through hole, a lower operation door and a moving structure;

the lower fixing plate is used for being fixed with the lower fixing platform unit, the lower through hole is used for passing through the lower platform connecting pipeline, the lower operation door is used for conveniently entering the inside of the lower fixing unit to detach or install the lower fixing unit and the lower fixing platform unit, and the moving structure is used for moving the heat absorber module when detaching or installing the heat absorber module.

10. The heat sink of claim 1, further comprising: the tower top is hung;

the tower crane is used for lifting the heat absorber module when the tower crane is detached and installed on the heat absorber module.

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